CN220816039U - Slurry pump impeller - Google Patents
Slurry pump impeller Download PDFInfo
- Publication number
- CN220816039U CN220816039U CN202321855250.4U CN202321855250U CN220816039U CN 220816039 U CN220816039 U CN 220816039U CN 202321855250 U CN202321855250 U CN 202321855250U CN 220816039 U CN220816039 U CN 220816039U
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- China
- Prior art keywords
- cover plate
- impeller
- slurry pump
- pump impeller
- main body
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- 239000002002 slurry Substances 0.000 title claims abstract description 57
- 239000000919 ceramic Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 12
- 229910010271 silicon carbide Inorganic materials 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The embodiment of the application provides a slurry pump impeller, which belongs to the technical field of slurry pumps and comprises an impeller main body and a plurality of wear-resistant ceramic inserts, wherein the impeller main body is made of hard alloy; the impeller main body comprises a front cover plate, a rear cover plate and a plurality of blades, wherein the front cover plate and the rear cover plate are oppositely arranged; the easy-to-wear part of the impeller main body is provided with a plurality of grooves, and each wear-resistant ceramic insert is arranged in each groove and fixedly connected with the impeller main body; the middle part of the front cover plate is provided with a fluid suction inlet. The embodiment of the application can improve the local abrasion resistance of the slurry pump impeller, thereby prolonging the service life of the slurry pump impeller and solving the problem of short service life of the slurry pump impeller under the semi-self-grinding working condition. In addition, the impeller main body made of hard alloy is adopted, so that the mechanical performance of the slurry pump impeller is stable.
Description
Technical Field
The application relates to the technical field of slurry pumps, in particular to a slurry pump impeller.
Background
The slurry pump is widely applied to the industries of mine mineral separation, power plants, metallurgy, chemical industry and the like for conveying fluid containing solid particles. In the operation process of the slurry pump, the service life of the impeller is a key for determining the hydraulic performance and the stable operation index of the slurry pump. In the prior art, most impellers of slurry pumps are made of rubber materials, however, the hardness, corrosion resistance and wear resistance of the rubber materials are poor, the mechanical properties are unstable, and local wear is easy to occur, so that the impellers are invalid and have short service lives. Therefore, how to increase the lifetime of the impeller is a problem to be solved.
Disclosure of utility model
The embodiment of the application provides a slurry pump impeller which has better hardness, wear resistance, corrosion resistance and stability and long service life.
The embodiment of the application provides a slurry pump impeller, which comprises an impeller main body and a plurality of wear-resistant ceramic inserts, wherein the impeller main body is made of hard alloy;
The impeller main body comprises a front cover plate, a rear cover plate and a plurality of blades, wherein the front cover plate and the rear cover plate are oppositely arranged, the blades are arranged between the front cover plate and the rear cover plate, and the front cover plate and the rear cover plate are connected through the blades;
The easy-to-wear part of the impeller main body is provided with a plurality of grooves, and each wear-resistant ceramic insert is arranged in each groove and fixedly connected with the impeller main body;
The middle part of the front cover plate is provided with a fluid suction inlet.
In the slurry pump impeller according to the embodiment of the application, the plurality of grooves are arranged on the inner side surface of the front cover plate, which is opposite to the rear cover plate, and are arranged at intervals along the circumferential direction of the inner side surface of the front cover plate.
In the slurry pump impeller according to the embodiment of the application, the plurality of grooves are arranged on the inner side surface of the rear cover plate, which is opposite to the front cover plate, and are arranged at intervals along the circumferential direction of the inner side surface of the rear cover plate.
In the slurry pump impeller according to the embodiment of the application, a plurality of the grooves are provided on the inner surface of the fluid suction port.
In the slurry pump impeller according to the embodiment of the application, the working surface of each blade is provided with a plurality of grooves.
In the slurry pump impeller according to the embodiment of the application, each wear-resistant ceramic insert is fixedly connected with the impeller main body through an adhesive.
In the slurry pump impeller according to the embodiment of the present application, the plurality of wear-resistant ceramic inserts includes at least one of silicon carbide ceramic, silicon nitride-bonded silicon carbide ceramic, silicon oxide-ceramic-bonded silicon carbide ceramic, and recrystallized ceramic.
In the slurry pump impeller according to the embodiment of the application, the impeller main body is integrally cast and formed.
In the slurry pump impeller according to the embodiment of the application, a protruding portion is arranged in the middle of the rear cover plate, and a threaded hole for being connected with a pump shaft of the slurry pump in a matching manner is arranged in the center of the protruding portion.
In the slurry pump impeller according to the embodiment of the application, each blade is arc-shaped.
According to the slurry pump impeller provided by the embodiment of the application, the plurality of grooves are formed in the easily-worn part of the impeller main body, and the wear-resistant ceramic insert is arranged in each groove, so that the local wear resistance of the slurry pump impeller can be improved by utilizing the high hardness, wear resistance and corrosion resistance of the wear-resistant ceramic, the service life of the slurry pump impeller is prolonged, and the problem of short service life of the slurry pump impeller under the semi-self-grinding working condition is solved. In addition, the impeller main body made of hard alloy is adopted, so that the mechanical performance of the slurry pump impeller is stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of a slurry pump impeller according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an impeller body according to an embodiment of the present application.
Fig. 3 is a schematic structural view of another view of the impeller body according to the embodiment of the present application.
Fig. 4 is a schematic structural diagram of one view of a slurry pump impeller according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of another view angle of the slurry pump impeller according to the embodiment of the present application.
Reference numerals illustrate:
10-impeller body 20-wear-resistant ceramic insert 30-groove
40-Fluid intake port 50-adhesive 60-boss
70-Threaded hole 101-front cover plate 102-rear cover plate
103-Blade 1000-slurry pump impeller
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment of the application provides a slurry pump impeller. Referring to fig. 1 to 5, a slurry pump impeller 1000 includes an impeller body 10 and a plurality of wear-resistant ceramic inserts 20, wherein the impeller body 10 is made of cemented carbide.
The impeller main body 10 is made of hard alloy, so that the stability of the mechanical performance of the slurry pump impeller 1000 can be improved.
The number of the wear-resistant ceramic inserts 20 may be set according to practical situations, and is not particularly limited herein.
The impeller main body 10 includes a front cover plate 101, a rear cover plate 102, and a plurality of blades 103, the front cover plate 101 is disposed opposite to the rear cover plate 102, the plurality of blades 103 are disposed between the front cover plate 101 and the rear cover plate 102, and the front cover plate 101 and the rear cover plate 102 are connected by the plurality of blades 103.
A plurality of grooves 30 are formed in the impeller main body 10 at positions which are easy to wear, and each wear-resistant ceramic insert 20 is arranged in each groove 30 and fixedly connected with the impeller main body 10.
Wherein, through setting up a plurality of recesses 30 in the easy wearing and tearing department on impeller main part 10, set up a wear-resisting ceramic insert 20 in each recess 30, utilize wear-resisting ceramic's high rigidity, stand wear and tear, corrosion resistance to can improve the local wear resistance of sediment stuff pump impeller 1000, improve the life-span of sediment stuff pump impeller 1000, solve the problem that half self-grinding operating mode sediment stuff pump impeller 1000 is short in life-span.
Wherein, adopt the wearing and tearing department that a plurality of frits wear-resisting ceramic inserts 20 set up on impeller main body 10, can solve the difficult large-scale technology difficulty of wear-resisting ceramic, can reduce the cost of sediment stuff pump impeller 1000 simultaneously. The size of the wear resistant ceramic insert 20 may be determined according to the diameter of the body 10 and the ceramic forming process.
The front cover plate 101 is provided at a central portion thereof with a fluid suction port 40. Wherein fluid enters the slurry pump impeller 1000 from the fluid intake 40.
In some embodiments, as shown in fig. 3, a plurality of grooves 30 are provided on an inner side of the front cover plate 101 facing the rear cover plate 102, and are spaced apart in a circumferential direction of the inner side of the front cover plate 101. I.e. the inner side of the front cover plate 101 facing the rear cover plate 102, belongs to the easily worn position of the impeller body 10.
In some embodiments, as shown in fig. 2, a plurality of grooves 30 are provided on an inner side of the back plate 102 facing the front plate 101, and are spaced apart in a circumferential direction of the inner side of the back plate 102. I.e. the inner side of the back cover plate 102 facing the front cover plate 101, belongs to the easily worn position of the impeller body 10.
In some embodiments, as shown in fig. 2, a plurality of grooves 30 are provided on the inner surface of the fluid intake 40. I.e. the inner surface of the fluid intake 40 belongs to the vulnerable position of the impeller body 10.
In some embodiments, a plurality of grooves 30 are provided on the working surface of each blade 103. I.e. the working surface of each blade 103 belongs to the easily worn position of the impeller body 10.
In some embodiments, each wear resistant ceramic insert 20 is fixedly connected to the impeller body 10 by an adhesive 50.
In some embodiments, the plurality of wear resistant ceramic inserts 20 includes at least one of a silicon carbide ceramic, a silicon nitride bonded silicon carbide ceramic, a silicon oxide ceramic bonded silicon carbide ceramic, and a recrystallized ceramic.
For example, the plurality of wear resistant ceramic inserts 20 may all be silicon carbide ceramic, or some of the plurality of wear resistant ceramic inserts 20 may be silicon carbide ceramic and the remaining portion may be silicon nitride bonded silicon carbide ceramic. That is, the wear resistant ceramic insert 20 may be composed of any one of a silicon carbide ceramic, a silicon nitride bonded silicon carbide ceramic, a silicon oxide ceramic bonded silicon carbide ceramic, and a recrystallized ceramic, alone or in free combination.
In some embodiments, the impeller body 10 is integrally cast.
In some embodiments, as shown in FIG. 3, a boss 60 is provided in the middle of the back plate 102, and a threaded hole 70 is provided in the center of the boss 60 for mating connection with the pump shaft of the slurry pump.
In some embodiments, each blade 103 is circular in shape.
In summary, according to the slurry pump impeller 1000 provided by the embodiment of the application, the plurality of grooves 30 are formed in the easily worn part of the impeller main body 10, and the wear-resistant ceramic insert 20 is arranged in each groove 30, so that the local wear resistance of the slurry pump impeller 1000 can be improved, the service life of the slurry pump impeller 1000 is prolonged, and the problem of short service life of the slurry pump impeller 1000 under the semi-self-grinding working condition is solved by utilizing the high hardness, wear resistance and corrosion resistance of the wear-resistant ceramic. Further, since the impeller main body 10 made of cemented carbide is used, the mechanical properties of the slurry pump impeller 1000 are stable. Finally, the adoption of the plurality of small wear-resistant ceramic inserts 20 arranged at the easily worn parts of the impeller main body 10 can solve the technical difficulty that the wear-resistant ceramic is difficult to be large-sized, and can reduce the cost of the slurry pump impeller 1000.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The above description of the slurry pump impeller provided by the embodiment of the present application has been provided in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the above description of the embodiment is only for helping to understand the technical solution and core idea of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (9)
1. The slurry pump impeller is characterized by comprising an impeller main body and a plurality of wear-resistant ceramic inserts, wherein the impeller main body is made of hard alloy;
The impeller main body comprises a front cover plate, a rear cover plate and a plurality of blades, wherein the front cover plate and the rear cover plate are oppositely arranged, the blades are arranged between the front cover plate and the rear cover plate, and the front cover plate and the rear cover plate are connected through the blades;
The easy-to-wear part of the impeller main body is provided with a plurality of grooves, and each wear-resistant ceramic insert is arranged in each groove and fixedly connected with the impeller main body;
The middle part of the front cover plate is provided with a fluid suction inlet.
2. The slurry pump impeller of claim 1 wherein a plurality of said grooves are provided in an inner side of said front cover plate facing said back cover plate and are spaced apart in a circumferential direction of said inner side of said front cover plate.
3. The slurry pump impeller of claim 1 wherein a plurality of said grooves are provided in an inner side of said back plate facing said front plate and spaced apart along a circumferential direction of said inner side of said back plate.
4. The slurry pump impeller of claim 1 wherein a plurality of said grooves are provided on an inner surface of said fluid intake.
5. The slurry pump impeller of claim 1 wherein a plurality of said grooves are provided on the working surface of each of said vanes.
6. The slurry pump impeller of claim 1 wherein each of said wear resistant ceramic inserts is fixedly attached to said impeller body by an adhesive.
7. The slurry pump impeller of claim 1 wherein said impeller body is integrally cast.
8. The slurry pump impeller of claim 1, wherein a boss is provided in a middle portion of the back cover plate, and a threaded hole for mating connection with a pump shaft of the slurry pump is provided in a center position of the boss.
9. The slurry pump impeller of claim 1 wherein each of said blades is circular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855250.4U CN220816039U (en) | 2023-07-14 | 2023-07-14 | Slurry pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855250.4U CN220816039U (en) | 2023-07-14 | 2023-07-14 | Slurry pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816039U true CN220816039U (en) | 2024-04-19 |
Family
ID=90698988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321855250.4U Active CN220816039U (en) | 2023-07-14 | 2023-07-14 | Slurry pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816039U (en) |
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2023
- 2023-07-14 CN CN202321855250.4U patent/CN220816039U/en active Active
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